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Kärnä, A., Visuri, V., Heikkinen, E., Sulasalmi, P., Torvinen, P., Koskinen, J. and Fabritius, T. (2020), Numerical Modeling of Argon‐Oxygen Decarburization Slag Cooling. steel research int., 91: 2000054. https://doi.org/10.1002/srin.202000054

Numerical modeling of argon‐oxygen decarburization slag cooling

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Author: Kärnä, Aki1; Visuri, Ville-Valtteri1; Heikkinen, Eetu-Pekka1;
Organizations: 1Process Metallurgy Research Unit, University of Oulu, PO Box 4300, 90014 Oulu, Finland
2Tapojärvi Oy, Tullipuistonkatu 2, 95400 Tornio, Finland
Format: article
Version: published version
Access: open
Online Access: PDF Full Text (PDF, 2.2 MB)
Persistent link: http://urn.fi/urn:nbn:fi-fe202101202197
Language: English
Published: John Wiley & Sons, 2020
Publish Date: 2021-01-20
Description:

Abstract

Stainless steelmaking produces different types of slags which need to be cooled, stored, and pretreated before further use. In current practice, the slag is cooled in an air atmosphere, but water cooling has been envisaged to speed up cooling. The aim of this article is to simulate the cooling of argon‐oxygen decarburization (AOD) slag under the conditions of ambient cooling and water cooling. The effects of the thickness and initial temperature of the slag layer are also studied. Finally, practical means to improve the cooling practice are evaluated based on the model predictions.

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Series: Steel research international
ISSN: 1611-3683
ISSN-E: 1869-344X
ISSN-L: 1611-3683
Volume: 91
Issue: 11
Article number: 2000054
DOI: 10.1002/srin.202000054
OADOI: https://oadoi.org/10.1002/srin.202000054
Type of Publication: A1 Journal article – refereed
Field of Science: 215 Chemical engineering
Subjects:
heat transfer
numerical modeling
slag cooling
Article
Funding: This work was conducted within the Symbiosis of Metal Production and Nature (SYMMET) research program funded by Business Finland. V.‐V.V. thanks the Walter Ahlström foundation for its funding.
Copyright information: © 2020 The Authors. Published by WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim. This is an open access article under the terms of the Creative Commons Attribution‐NonCommercial‐NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non‐commercial and no modifications or adaptations are made.
  https://creativecommons.org/licenses/by-nc-nd/4.0/